Prof. Hamermesh on Poison Pill Suit Against Sotheby’s and Related Commentary By Francis Pileggi on April 7, 2014 Posted in Uncategorized Prof. Larry Hamermesh is the director of The Institute of Delaware Corporate & Business Law, and has penned a post with insightful and learned commentary on shareholder activism in general, and in particular the claims against Sotheby’s use of the poison pill.